Cas 72916-89-3,C14H12N4O3

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Check Digit Verification of cas no

The CAS Registry Mumber 72916-89-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,1 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72916-89:
(7*7)+(6*2)+(5*9)+(4*1)+(3*6)+(2*8)+(1*9)=153
153 % 10 = 3
So 72916-89-3 is a valid CAS Registry Number.

72916-89-3Upstream product

72916-89-3Downstream Products

72917-10-3 (6-Methoxy-7-nitro-indazol-2-yl)-phenyl-amine

72916-89-3Relevant academic research and scientific papers

Furazans and Furazan Oxides. 8. Preparation of 2-Oxy- and 2-Aminoindazoles by Rearrangement of Benzofurazan Oxide Derivatives

Boulton, A. J.,Kan-Woon, Thoe,Balasubrahmanyam, S. N.,Mallick, I. M.,Radhakrishna, A. S.

, p. 1653 - 1657 (2007/10/02)

Oximes and hydrazones of 4-formylbenzofurazan oxides rearrange on heating to 2-oxy- and 2-amino-substituted indazoles. 1H NMR spectral studies on the benzofurazan oxide derivatives are reported.

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